Update to openssl-1.0.2c

Conflicts:
	openssl/Makefile

9 files changed, 62 insertions, 20 deletions

diff --git a/openssl/crypto/asn1/Makefile b/openssl/crypto/asn1/Makefile
index 2e2a09739..330fe81b7 100644
--- a/openssl/crypto/asn1/Makefile
+++ b/openssl/crypto/asn1/Makefile
@@ -93,6 +93,8 @@ tests:
 lint:
 	lint -DLINT $(INCLUDES) $(SRC)>fluff
 
+update: depend
+
 depend:
 	@[ -n "$(MAKEDEPEND)" ] # should be set by top Makefile...
 	$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
diff --git a/openssl/crypto/asn1/a_int.c b/openssl/crypto/asn1/a_int.c
index 70c2b8e62..7e26704a5 100644
--- a/openssl/crypto/asn1/a_int.c
+++ b/openssl/crypto/asn1/a_int.c
@@ -124,6 +124,8 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp)
     else {
         ret = a->length;
         i = a->data[0];
+        if (ret == 1 && i == 0)
+            neg = 0;
         if (!neg && (i > 127)) {
             pad = 1;
             pb = 0;
@@ -162,7 +164,7 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp)
         p += a->length - 1;
         i = a->length;
         /* Copy zeros to destination as long as source is zero */
-        while (!*n) {
+        while (!*n && i > 1) {
             *(p--) = 0;
             n--;
             i--;
@@ -419,7 +421,7 @@ ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai)
         ASN1err(ASN1_F_BN_TO_ASN1_INTEGER, ERR_R_NESTED_ASN1_ERROR);
         goto err;
     }
-    if (BN_is_negative(bn))
+    if (BN_is_negative(bn) && !BN_is_zero(bn))
         ret->type = V_ASN1_NEG_INTEGER;
     else
         ret->type = V_ASN1_INTEGER;
diff --git a/openssl/crypto/asn1/ameth_lib.c b/openssl/crypto/asn1/ameth_lib.c
index 02300dfed..5389c0434 100644
--- a/openssl/crypto/asn1/ameth_lib.c
+++ b/openssl/crypto/asn1/ameth_lib.c
@@ -464,3 +464,21 @@ void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
 {
     ameth->pkey_ctrl = pkey_ctrl;
 }
+
+void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
+                            int (*item_verify) (EVP_MD_CTX *ctx,
+                                                const ASN1_ITEM *it,
+                                                void *asn,
+                                                X509_ALGOR *a,
+                                                ASN1_BIT_STRING *sig,
+                                                EVP_PKEY *pkey),
+                            int (*item_sign) (EVP_MD_CTX *ctx,
+                                              const ASN1_ITEM *it,
+                                              void *asn,
+                                              X509_ALGOR *alg1,
+                                              X509_ALGOR *alg2,
+                                              ASN1_BIT_STRING *sig))
+{
+    ameth->item_sign = item_sign;
+    ameth->item_verify = item_verify;
+}
diff --git a/openssl/crypto/asn1/asn1_gen.c b/openssl/crypto/asn1/asn1_gen.c
index 11b582dd3..65749239b 100644
--- a/openssl/crypto/asn1/asn1_gen.c
+++ b/openssl/crypto/asn1/asn1_gen.c
@@ -74,6 +74,8 @@
 #define ASN1_GEN_STR(str,val)   {str, sizeof(str) - 1, val}
 
 #define ASN1_FLAG_EXP_MAX       20
+/* Maximum number of nested sequences */
+#define ASN1_GEN_SEQ_MAX_DEPTH  50
 
 /* Input formats */
 
@@ -110,13 +112,16 @@ typedef struct {
     int exp_count;
 } tag_exp_arg;
 
+static ASN1_TYPE *generate_v3(char *str, X509V3_CTX *cnf, int depth,
+                              int *perr);
 static int bitstr_cb(const char *elem, int len, void *bitstr);
 static int asn1_cb(const char *elem, int len, void *bitstr);
 static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class,
                       int exp_constructed, int exp_pad, int imp_ok);
 static int parse_tagging(const char *vstart, int vlen, int *ptag,
                          int *pclass);
-static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf);
+static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf,
+                             int depth, int *perr);
 static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype);
 static int asn1_str2tag(const char *tagstr, int len);
 
@@ -133,6 +138,16 @@ ASN1_TYPE *ASN1_generate_nconf(char *str, CONF *nconf)
 
 ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)
 {
+    int err = 0;
+    ASN1_TYPE *ret = generate_v3(str, cnf, 0, &err);
+    if (err)
+        ASN1err(ASN1_F_ASN1_GENERATE_V3, err);
+    return ret;
+}
+
+static ASN1_TYPE *generate_v3(char *str, X509V3_CTX *cnf, int depth,
+                              int *perr)
+{
     ASN1_TYPE *ret;
     tag_exp_arg asn1_tags;
     tag_exp_type *etmp;
@@ -152,17 +167,22 @@ ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)
     asn1_tags.imp_class = -1;
     asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
     asn1_tags.exp_count = 0;
-    if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
+    if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0) {
+        *perr = ASN1_R_UNKNOWN_TAG;
         return NULL;
+    }
 
     if ((asn1_tags.utype == V_ASN1_SEQUENCE)
         || (asn1_tags.utype == V_ASN1_SET)) {
         if (!cnf) {
-            ASN1err(ASN1_F_ASN1_GENERATE_V3,
-                    ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);
+            *perr = ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG;
             return NULL;
         }
-        ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);
+        if (depth >= ASN1_GEN_SEQ_MAX_DEPTH) {
+            *perr = ASN1_R_ILLEGAL_NESTED_TAGGING;
+            return NULL;
+        }
+        ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf, depth, perr);
     } else
         ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);
 
@@ -280,7 +300,7 @@ static int asn1_cb(const char *elem, int len, void *bitstr)
     int tmp_tag, tmp_class;
 
     if (elem == NULL)
-        return 0;
+        return -1;
 
     for (i = 0, p = elem; i < len; p++, i++) {
         /* Look for the ':' in name value pairs */
@@ -353,7 +373,7 @@ static int asn1_cb(const char *elem, int len, void *bitstr)
         break;
 
     case ASN1_GEN_FLAG_FORMAT:
-        if(!vstart) {
+        if (!vstart) {
             ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_FORMAT);
             return -1;
         }
@@ -435,7 +455,8 @@ static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass)
 
 /* Handle multiple types: SET and SEQUENCE */
 
-static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf)
+static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf,
+                             int depth, int *perr)
 {
     ASN1_TYPE *ret = NULL;
     STACK_OF(ASN1_TYPE) *sk = NULL;
@@ -454,7 +475,8 @@ static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf)
             goto bad;
         for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
             ASN1_TYPE *typ =
-                ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf);
+                generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf,
+                            depth + 1, perr);
             if (!typ)
                 goto bad;
             if (!sk_ASN1_TYPE_push(sk, typ))
diff --git a/openssl/crypto/asn1/asn_mime.c b/openssl/crypto/asn1/asn_mime.c
index 7e2f28e6d..96110c540 100644
--- a/openssl/crypto/asn1/asn_mime.c
+++ b/openssl/crypto/asn1/asn_mime.c
@@ -289,7 +289,8 @@ int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags,
     if ((flags & SMIME_DETACHED) && data) {
         /* We want multipart/signed */
         /* Generate a random boundary */
-        RAND_pseudo_bytes((unsigned char *)bound, 32);
+        if (RAND_pseudo_bytes((unsigned char *)bound, 32) < 0)
+            return 0;
         for (i = 0; i < 32; i++) {
             c = bound[i] & 0xf;
             if (c < 10)
diff --git a/openssl/crypto/asn1/bio_ndef.c b/openssl/crypto/asn1/bio_ndef.c
index 4a73ca9ea..31949b879 100644
--- a/openssl/crypto/asn1/bio_ndef.c
+++ b/openssl/crypto/asn1/bio_ndef.c
@@ -162,7 +162,7 @@ static int ndef_prefix(BIO *b, unsigned char **pbuf, int *plen, void *parg)
 
     derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it);
     p = OPENSSL_malloc(derlen);
-    if(!p)
+    if (!p)
         return 0;
 
     ndef_aux->derbuf = p;
@@ -232,7 +232,7 @@ static int ndef_suffix(BIO *b, unsigned char **pbuf, int *plen, void *parg)
 
     derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it);
     p = OPENSSL_malloc(derlen);
-    if(!p)
+    if (!p)
         return 0;
 
     ndef_aux->derbuf = p;
diff --git a/openssl/crypto/asn1/tasn_new.c b/openssl/crypto/asn1/tasn_new.c
index 7d2964f02..b0c73beeb 100644
--- a/openssl/crypto/asn1/tasn_new.c
+++ b/openssl/crypto/asn1/tasn_new.c
@@ -100,9 +100,6 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
     else
         asn1_cb = 0;
 
-    if (!combine)
-        *pval = NULL;
-
 #ifdef CRYPTO_MDEBUG
     if (it->sname)
         CRYPTO_push_info(it->sname);
diff --git a/openssl/crypto/asn1/tasn_prn.c b/openssl/crypto/asn1/tasn_prn.c
index 7c54f9d1d..5e7d53e98 100644
--- a/openssl/crypto/asn1/tasn_prn.c
+++ b/openssl/crypto/asn1/tasn_prn.c
@@ -290,7 +290,7 @@ static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
         for (i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
             const ASN1_TEMPLATE *seqtt;
             seqtt = asn1_do_adb(fld, tt, 1);
-            if(!seqtt)
+            if (!seqtt)
                 return 0;
             tmpfld = asn1_get_field_ptr(fld, seqtt);
             if (!asn1_template_print_ctx(out, tmpfld,
diff --git a/openssl/crypto/asn1/x_x509.c b/openssl/crypto/asn1/x_x509.c
index 55319acf9..5f266a26b 100644
--- a/openssl/crypto/asn1/x_x509.c
+++ b/openssl/crypto/asn1/x_x509.c
@@ -177,7 +177,7 @@ X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
     /* Save start position */
     q = *pp;
 
-    if(!a || *a == NULL) {
+    if (!a || *a == NULL) {
         freeret = 1;
     }
     ret = d2i_X509(a, pp, length);
@@ -192,7 +192,7 @@ X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
         goto err;
     return ret;
  err:
-    if(freeret) {
+    if (freeret) {
         X509_free(ret);
         if (a)
             *a = NULL;